Initial implementation of Settings object.

glabels/CMakeLists.txt

@@ -42,6 +42,7 @@ set (glabels_sources
   Preview.cpp
   PreviewOverlayItem.cpp
   SelectProductDialog.cpp
+  Settings.cpp
   SimplePreview.cpp
   StartupWizard.cpp
   TemplatePicker.cpp
@@ -77,6 +78,7 @@ set (glabels_qobject_headers
   PropertiesView.h
   Preview.h
   SelectProductDialog.h
+  Settings.h
   SimplePreview.h
   StartupWizard.h
   TemplatePicker.h

glabels/Settings.cpp

@@ -0,0 +1,120 @@
+/*  Settings.cpp
+ *
+ *  Copyright (C) 2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Settings.h"
+
+#include <QLocale>
+#include <QString>
+
+
+Settings* Settings::mInstance = 0;
+
+
+Settings::Settings()
+{
+}
+
+
+void Settings::init()
+{
+	if ( mInstance == 0 )
+	{
+		mInstance = new Settings();
+	}
+}
+
+
+Settings* Settings::instance()
+{
+	init();
+
+	return mInstance;
+}
+
+
+bool Settings::preferIsoPaperSizes()
+{
+	// Guess at a suitable default
+	bool defaultValue;
+	switch (QLocale::system().country())
+	{
+	case QLocale::UnitedStates:
+	case QLocale::Canada:
+		defaultValue = false;
+		break;
+
+	default:
+		defaultValue = true;
+		break;
+	}
+	
+	mInstance->beginGroup( "Locale" );
+	bool returnValue = mInstance->value( "preferIsoPaperSizes", defaultValue ).toBool();
+	mInstance->endGroup();
+
+	return returnValue;
+}
+
+
+void Settings::setPreferIsoPaperSizes( bool preferIsoPaperSizes )
+{
+	
+	mInstance->beginGroup( "Locale" );
+	mInstance->setValue( "preferIsoPaperSizes", preferIsoPaperSizes );
+	mInstance->endGroup();
+
+	emit mInstance->changed();
+}
+
+
+glabels::Distance::Units Settings::units()
+{
+	// Guess at a suitable default
+	QString defaultIdString;
+	switch (QLocale::system().country())
+	{
+	case QLocale::UnitedStates:
+	case QLocale::Canada:
+		defaultIdString = "in";
+		break;
+
+	default:
+		defaultIdString = "mm";
+		break;
+	}
+	
+	mInstance->beginGroup( "Locale" );
+	QString idString = mInstance->value( "units", defaultIdString ).toString();
+	mInstance->endGroup();
+
+	return glabels::Distance::toUnits( idString );
+}
+
+
+void Settings::setUnits( glabels::Distance::Units units )
+{
+	QString idString = glabels::Distance::toId( units );
+
+	mInstance->beginGroup( "Locale" );
+	mInstance->setValue( "units", idString );
+	mInstance->endGroup();
+
+	emit mInstance->changed();
+}

glabels/Settings.h

@@ -0,0 +1,75 @@
+/*  Settings.h
+ *
+ *  Copyright (C) 2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef Settings_h
+#define Settings_h
+
+
+#include <QSettings>
+#include "libglabels/Distance.h"
+
+
+///
+/// Settings Singleton Class
+///
+class Settings : public QSettings
+{
+	Q_OBJECT
+	
+public:
+	enum class PageSizeFamilty { ISO, US, };
+
+
+	/////////////////////////////////
+	// Life Cycle
+	/////////////////////////////////
+private:
+	Settings();
+
+public:
+	static void init();
+	static Settings* instance();
+
+	
+	/////////////////////////////////
+	// Signals
+	/////////////////////////////////
+signals:
+	void changed();
+	
+
+	/////////////////////////////////
+	// Accessors
+	/////////////////////////////////
+public:
+	static bool preferIsoPaperSizes();
+	static void setPreferIsoPaperSizes( bool preferIsoPaperSizes );
+
+	static glabels::Distance::Units units();
+	static void setUnits( glabels::Distance::Units units );
+
+
+private:
+	static Settings* mInstance;
+
+};
+
+
+#endif // Settings_h